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Cognomen Monmanus (Monmanus ) , across the world, is an extremely rare surname. Much more prevalently, Monmanus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monmanus | Thailand |
Khing, Onklay, Palahan, Tadaamnuaychai, Uttamon, and Prachyangprecha